exam Maths Puzzle Numerical Ability

how would i graph this funtion?

f(x)= x+6, if x< or equal to -3

-2/3x-3, if x > - 3

Read Solution (Total 0)

exam Other Question

Use appropriate identities to find the exact values of the following.
a. sec(75degrees)
so far I have sec(45deg+30deg)? then stuck.

b. sin(7pi/12)
I think this converts down to sin(2pi/3)? then stuck. I am studying chemical equilibriums, and am having trouble remembering the algebra. Can you please explain to me how when solving this equation for x: (3.2 - 2x)/x = 1480, x= .